Tkachenko Maria
From Sarov, Russia
EMA: 15990422
Common russian riichi rating (CRR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
142 place (187.34).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75
p1 = (709.09 * 3.30 * 0.14 + 978.72 * 3.10 * 0.29 + 144.14 * 4.05 * 0.57 + 0 + 0) / (3.30 * 0.14 + 3.10 * 0.29 + 4.05 * 0.57 + 1 + 1) = 270.6187702881647
p2 = (978.72 * 3.10 * 0.29 + 709.09 * 3.30 * 0.14 + 144.14 * 4.05 * 0.57) / max_coefficients = 104.05355932203389
score = 270.6187702881647 * 0.5 + 104.05355932203389 * 0.5 = 187.3361648050993
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-12 | 144 -> 142 | 183.97 -> 187.34 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 147 -> 144 | 183.97 | |
2023-09-09 | 148 -> 147 | 183.97 | |
2023-09-06 | 139 -> 148 | 211.00 -> 183.97 |
Kirov Tournament: 29% -> 14% |
2023-09-03 | 127 -> 139 | 216.79 -> 211.00 | |
2023-08-27 | 122 -> 127 | 216.79 | |
2023-08-26 | 119 -> 122 | 216.79 | |
2023-08-20 | 120 -> 119 | 216.79 | |
2023-08-19 | 105 -> 120 | 253.96 -> 216.79 |
Agari team tournament: 43% -> 29% |
2023-08-12 | 112 -> 105 | 246.28 -> 253.96 |
Moscow Riichi 2022: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 144 |
|
96/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
2 | 979 |
|
2/48 | 29% | 3.10 | RR | Agari team tournament |
3 | 709 |
|
17/56 | 14% | 3.30 | RR | Kirov Tournament |
4 | 0 |
|
36/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
5 | 193 |
|
68/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |